package com.itheima.reggie.config;



import com.itheima.reggie.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

/*
 springmvc配置类:
 1.拦截器
 2静态资源
*/



@Slf4j
@Configuration
public class WebMvcSupport extends WebMvcConfigurationSupport {

    /*放行静态资源
     @param registry
    */



    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        //配置管理端静态资源的放行规则
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        //配置客户端静态资源的放行规则
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
    }

    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器，底层使用Jackson将Java对象转为json
        JacksonObjectMapper jacksonObjectMapper = new JacksonObjectMapper();
        messageConverter.setObjectMapper(jacksonObjectMapper);
        //将上面的消息转换器对象追加到mvc框架的转换器集合中
        converters.add(0,messageConverter);
    }
}
